Exactly what it is that makes a podcast a podcast? What does it offer content producers and how does a format that allows fans to subscribe and download audio onto their portable device somehow change or influence the way a podcast episode is put together? Joining Simon Smith in the studio are Helen Zaltzman and Olly Mann from the award-winning Answer Me This! comedy podcast; Andy Jones, Radio 2 and 6 Music’s podcast guru; and Jamillah Knowles presenter of Radio 5 live’s Outriders technology podcast.